DORMAN OE SOLUTIONS SX-9704 Engine Harmonic Balancer Pulley 4.3L V6

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-9704 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Item Weight: 3.8500 ), ( Ipn: C619 81-28 ), ( Placement On Vehicle: Engine Cylinder Block ), ( Compatible Year: 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Harmonic Balancer Pulley ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Engine Harmonic Balancer Pulley )

Review DORMAN OE SOLUTIONS Engine Harmonic Balancer Pulley Chevrolet 4.3l V6 Ah fits S10 1988–2004

The **Dorman SX-9704 Engine Harmonic Balancer Pulley** is a high-performance, precision-engineered replacement part designed specifically for the **1988 2004 Chevrolet S10** equipped with the **4.3L V6 engine**, ensuring optimal power transfer, reduced vibration, and extended longevity for your vehicle s drivetrain. Crafted from durable **cast iron** with a robust **steel shaft**, this harmonic balancer pulley is engineered to absorb and dampen the natural torsional vibrations generated by the engine s rotating assembly, preventing premature wear on critical components such as the serpentine belt, water pump, and alternator. The **dual-mass design** of the balancer incorporates a **rubberized internal damper** that flexes under load, effectively isolating harmful vibrations while maintaining smooth operation critical for maintaining the integrity of the engine s timing system and accessory drives. Whether you re tackling a routine maintenance check or addressing a worn-out original component, the Dorman SX-9704 delivers a **direct-fit, OEM-quality replacement** that meets or exceeds factory specifications, ensuring seamless compatibility with your S10 s powertrain. Built to withstand the demands of daily driving, off-road adventures, or high-performance applications, this balancer pulley is a reliable choice for mechanics and DIY enthusiasts alike, offering peace of mind with its **durable construction, precise machining, and long-lasting performance**.

**Pros and Cons of buying a Dorman SX-9704 Engine Harmonic Balancer Pulley for a 1988 2004 Chevrolet S10 4.3L V6**

1. **Direct Fitment and Compatibility** Dorman parts are engineered to match factory specifications, ensuring proper alignment with your engine s crankshaft and accessories (alternator, power steering pump, etc.). This reduces the risk of installation errors or premature wear.

2. **High-Quality Materials** Dorman uses durable rubber compounds and steel components to withstand vibration damping and torsional forces. The balancer is designed to reduce engine shake and noise, which is particularly useful for older V6 engines prone to harmonic vibration issues.

3. **Reliability and Longevity** Many owners report that Dorman balancers last as long as OEM parts (or longer) if installed correctly and maintained. The part is built to handle the torque and RPM range of the 4.3L V6 without excessive wear.

4. **Ease of Installation** The pulley is designed for straightforward installation, requiring only basic tools (socket set, torque wrench, and possibly a pulley removal tool). No major disassembly of the engine is needed unless there are additional issues (e.g., serpentine belt tensioner replacement).

5. **Warranty Coverage** Dorman offers a standard warranty (typically 12 months or 12,000 miles), providing peace of mind against defects in materials or workmanship. This is more coverage than many generic aftermarket parts.

6. **Cost-Effective Solution** Compared to OEM replacement parts (which can be expensive or hard to source), the Dorman pulley offers a budget-friendly alternative without sacrificing quality. Pricing is competitive with other reputable brands like Gates or Melling.

7. **Preventative Maintenance** Replacing a worn harmonic balancer can prevent more serious issues, such as cracked pulleys, excessive vibration, or even crankshaft damage from torsional stress. This is a proactive step to avoid costly repairs down the line.

8. **Positive User Feedback** Many reviews from S10 owners highlight the Dorman pulley s effectiveness in reducing engine shake and improving drivability. This social proof suggests it meets or exceeds expectations for this application.

---

1. **Potential for Counterfeit Parts** Like many Dorman products, there is a risk of purchasing counterfeit or low-quality knockoffs, especially from untrusted sellers. Always buy from authorized dealers, Amazon, or reputable auto parts stores to ensure authenticity.

2. **Installation Challenges** If the pulley is seized or the crankshaft keyway is worn, removal and installation can be difficult. In rare cases, this may require specialized tools or even engine disassembly, adding labor costs.

3. **Limited Customization** The Dorman pulley is a standard fitment part. If you re looking for performance upgrades (e.g., a heavier-duty or high-performance balancer), you may need to explore other brands or custom options.

4. **Compatibility with Modified Engines** If your S10 has been modified (e.g., forced induction, high-performance camshafts, or a rebuilt engine), the stock harmonic balancer may not be sufficient. In such cases, a performance-oriented balancer (e.g., from Gates or Melling) might be preferable.

5. **Serpentine Belt System Considerations** If you re replacing the pulley as part of a broader belt system upgrade, ensure the new pulley aligns correctly with your tensioner and idlers. Mismatched pulley sizes can cause belt slippage or premature wear.

6. **Noise or Vibration Persistence** While the Dorman pulley reduces vibration, some owners report that other issues (e.g., worn mounts, a damaged crankshaft, or a failing engine) may still cause shake. A thorough diagnostic is recommended before attributing all symptoms to the balancer.

7. **Limited Availability of OEM Parts** If you later decide to return to OEM specifications (e.g., for resale or warranty purposes), sourcing an exact OEM replacement may be difficult, as Chevrolet no longer produces these parts.

---

The Dorman SX-9704 harmonic balancer pulley is an excellent choice for your 1988 2004 Chevrolet S10 4.3L V6. It strikes a balance between affordability, reliability, and ease of installation, making it a practical solution for addressing vibration issues or preventative maintenance. The part s compatibility with your engine and its reputation for durability outweigh the minor drawbacks, particularly if purchased from a trusted source.

If your S10 s harmonic balancer is cracked, leaking rubber, or causing excessive vibration, the Dorman SX-9704 is the best aftermarket option to replace it. Pair this replacement with a serpentine belt system check (including tensioner and idlers) to ensure optimal performance. For modified engines or high-performance applications, consider a performance balancer, but for stock or mildly modified S10s, Dorman is a safe and cost-effective upgrade.

**Final Note:** Always inspect the pulley for damage during installation and ensure the crankshaft keyway is intact. If in doubt, consult a mechanic to verify no underlying engine issues exist before attributing symptoms solely to the harmonic balancer.

Details:

Dorman Engine Harmonic Balancer Pulley for 1988 - 2004 Chevrolet S10 4.3L V6 ah: Status: In Stock.

part #: sx9704 prices

• $33.26-$54.23

specifications cranshafengin:

• for models: S10
• for makes: Chevrolet
• for years: 1988-2004
• brand: Dorman Oe Solutions
• mpn: Sx-9704
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• item weight: 3.8500
• ipn: C619 81-28
• placement on vehicle: Engine Cylinder Block
• compatible year: 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992
• core charge: Free No Core Charge
• type: Engine Harmonic Balancer Pulley
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Engine Harmonic Balancer Pulley

payments cranshafengin:

• other
• wallet: Google-pay
• credit card: Visa

shipping cranshafengin:

• type: Fixed
• cost: $0.00
• transit: 3-6 Days
• class: Standard, Expedited
• service: Standard, Expedited

returns cranshafengin:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller cranshafengin:

• rating: 99.6%
• city: Indianapolis, Indiana
• # reviews: 654824

offer cranshafengin:

• options: Ship-to-home
• started: May 8, 2026
• quantity: 2
• sold: 0
• availability: In Stock

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

Dorman Oe Solutions SX-9704 Is Similar To:

• 0019495149439 0019495149439 Dorman 594-113s Harmonic Balancer (33.5% similar) The ductile steel construction allows for improved tensile and impact strength, safeguarding engine maintaining fuel efficiency year after. Dorman harmonic balances undergo detailed dimensional checks of the full assembly and critical components to ensure strength integrity part. Search by year. ...(February 10th, 2017)
• 0019495149484 0019495149484 Dorman 594-081s Harmonic Balancer (33.5% similar) Search by make. The ductile steel construction allows for improved tensile and impact strength, safeguarding engine maintaining fuel efficiency year after. Search by year. Search by model...(February 10th, 2017)
• 0019495250999 0019495250999 Dorman 594309 Harmonic Balancer (34% similar) Search by year. Search by model. Search by make...(February 9th, 2017)
• 0019495489443 0019495489443 Dorman 594-355 Harmonic Balancer (33.8% similar) Dorman harmonic balances undergo detailed dimensional checks of the full assembly and critical components to ensure strength integrity part. Search by year. Search by make. Search by model...(January 18th, 2017)
• 054 01001 602 Wd Express Dorman Engine Crankshaft Pulley Fits Honda Odyssey Accord (34.1% similar) Price is for 1 - adjust quantity in cart...(July 6th, 2018)
• 054 21017 602 Wd Express Dorman Engine Crankshaft Pulley Fits Honda Civic Del (36.2% similar) All products are covered by manufacturers warranty. Listing data is catalog provider. 24X7 online...(July 26th, 2018)
• 054 21018 602 Wd Express Dorman Engine Crankshaft Pulley Fits Honda (33.5% similar) 24X7 online. Listing data is catalog provider. All products are covered by manufacturers warranty...(July 26th, 2018)
• 054 21019 602 Wd Express Dorman Engine Crankshaft Pulley Fits Honda Accord (34.5% similar) Listing data is catalog provider. 24X7 online. All products are covered by manufacturers warranty...(September 13th, 2018)
• 054 38001 602 Wd Express Dorman Engine Crankshaft Pulley Fits Nissan Frontier Xterra (34.8% similar) All products are covered by manufacturers warranty. 24X7 online. Listing data is catalog provider...(July 26th, 2018)
• 054 38005 602 Wd Express Dorman Engine Crankshaft Pulley Fits Nissan Altima (34.3% similar) All products are covered by manufacturers warranty. 24X7 online. Listing data is catalog provider...(July 26th, 2018)
• 054 38006 602 Wd Express Dorman Engine Crankshaft Pulley Fits Nissan Quest Maxima (34.3% similar) 24X7 online. This part fits vehicles made in the following years 2003 , 2004 , 2005 , 2006 , 2007 , 2008 , listing data is catalog provider. All products are covered by manufacturers warranty...(July 26th, 2018)